Orifice plate and method of fabrication
OF THE INVENTION For purposes of this detailed description the fabrication of an orifice plate having holes of circular cross sections 1 mil in diameter and 4 mils center-to-center spacing is describ... Read More
Inventors: Bakewell, Joseph J.;, Assignee: Dynamics Research Corporation (Wilmington, MA) |
Hydrofluoric acid reprocessing for semiconductor standards
The present invention describes a novel two-step process for recycling and purifying hydrofluoric acid spent during a semiconductor etching process. The spent acid is mixed with a measured amount of m... Read More
Inventors: Dobson, Jesse; McCormick, Marshall;, Assignee: Alameda Instruments, Inc. (Pleasanton, CA) |
Implantable glucose sensor
The present invention overcomes the problems outlined above, and provides a greatly improved enzymatic sensor specifically designed for long-term implantation in a patient. The sensor is adapted for p... Read More
Inventors: Wilson, George S.; Bindra, Dilbir S.; Hill, Brian S.; Thevenot, Daniel R.; Sternberg, Robert; Reach, Gerard; Zhang, Yanan;, Assignee: The University of Kansas (Lawrence, KS) |
Corrosion resistance test process for article formed of metal material and coating
OF PREFERRED EMBODIMENTS FIG. 1 shows experiment equipment 1 for a corrosion resistance test apparatus. An aqueous solution 3 of NaCl as an electrolytic solution is stored in an electrolytic bath 2. ... Read More
Inventors: Takeuchi, Toshihiro; Imanaka, Tadashi; Kiuchi, Keiji; Ohta, Hidemichi;, Assignee: Mitsuba Corporation (Gunma, JP); Honda Giken Kogyo Kabushiki Kaisha (Tokyo, JP) |
Application of microsubstrates for materials processing
What is claimed is: 1. A method of preparing a plurality of micro-samples of materials for investigation which comprises: providing a substrate having a plurality of micro-hotplates, wherein each of s... Read More
Inventors: Cavicchi, Richard; Semancik, Stephen; Suehle, John S.; Gaitan, Michael;, Assignee: The United States of America as represented by the Secretary of Commerce (Washington, DC) |
Enzyme electrode and assay for determining LDH5
There is provided a novel biosensor for the determination of various types of LDH. More specifically, there &s provided a novel immunoelectrochemical sensor which comprises an electrode to which there... Read More
Inventors: Rishpon, Judith; Rosen, Ilana; Hollander, Zeev;, Assignee: |
Homogeneous amperometric immunoassay
What is claimed is: 1. A method for determining the concentration of an analyte present in a sample of biological fluid contained in an electrochemical cell equipped with a set of electrodes, said met... Read More
Inventors: Aizawa, Masuo; Manning, Brenda D.; Hidaka, Miki; Uretsky, Laura S.;, Assignee: Ciba Corning Diagnostics Corp. (Medfield, MA) |
Process for heavy metals electrowinning
I claim: 1. Process for producing Me metals selected from copper, zinc, nickel, cadmium and cobalt, in which the corresponding water-soluble metal-ammino complex Me(NH.sub.3).sub.n Cl.sub.m is formed ... Read More
Inventors: Zoppi, Gianni;, Assignee: Ecochem Aktiengesellschaft (LI) |
Methods for preparing phospholipid coated particles and for eliciting or isolating antiphospholid antibodies and the particles
OF THE INVENTION In accordance with a first embodiment, the subject invention provides novel phospholipid coated particles which show specific binding of antiphospholipid antibodies, are easily prepa... Read More
Inventors: Stewart, Michael W.; Gordon, Philip A.; Etches, Wai S.;, Assignee: University Hospitals Board (Edmonton, CA) |
Soybean peroxidase assays
OF THE INVENTION Enzyme assays in accordance with the invention are performed using reagents, reaction conditions and techniques previously used for horseradish peroxidase assays with the exception t... Read More
Inventors: Johnson, Mark A.; Pokora, Alexander R.;, Assignee: The Mead Corporation (Dayton, OH) |
Selective bifunctional multimetallic reforming catalyst
It is an object of the invention to provide a novel catalyst for improved selectivity in hydrocarbon conversion. A corollary object of the invention is to provide a reforming process having improved s... Read More
Inventors: Bogdan, Paula L.;, Assignee: UOP (Des Plaines, IL) |
Polarographic cell
What is claimed is: 1. In a polarographic cell particularly adapted for the measurement of the partial pressure of a gas in a fluid comprising a detection electrode and a reference electrode immersed ... Read More
Inventors: Pompei, Jean; Pierrot, Francis;, Assignee: U.S. Philips Corporation (New York, NY) |
Membrane electrode for non-ionic species
I claim: 1. A membrane electrode for use in measuring the concentration of a non-ionic species in an aqueous medium as a function of potentiometric or polarographic response comprising a conductive su... Read More
Inventors: Wilkins, Ebtisam;, Assignee: University Patents, Inc. (Norwalk, CT) |
Apparatus for electrochemical measurements
We claim: 1. A sensor system for measuring the concentration of an electrochemically active species in an electrolyte, comprising a substrate; a working electrode supported by said substrate; a refere... Read More
Inventors: Liu, Chung-Chiun; Karagounis, Vasilios A.;, Assignee: Case Western Reserve University (Cleveland, OH) |
Apparatus and method for sensing species, substances and substrates using oxidase
Briefly, according to one aspect of the invention, a pair of potentiostat operating electrode systems are provided for sensing of a species in the presence of a corresponding oxidase. Preferably, one ... Read More
Inventors: Liu, Chung-Chiun;, Assignee: Case Western Reserve University (Cleveland, OH) |
Process for the sensitization of an oxidation/reduction photocatalyst, and photocatalyst thus obtained
What is claimed is: 1. A process for the sensitization of a titanium oxide-based oxidation/reduction photocatalyst, which comprises chemically bonding to its surface a chromophore consisting of a frag... Read More
Inventors: Graetzel, Michael; Serpone, Nick; Duonghong, Dung;, Assignee: R. E. Stiftung (Zurich, CH) |
Fastener for catheter
Thus, in order to overcome the deficiencies of the prior art, the present invention has been developed. The present invention includes the following interrelated features: (a) The inventive fastener i... Read More
Inventors: McGuire, Thomas V.;, Assignee: |
Low-potential electrochemical redox sensors
OF THE PREFERRED EMBODIMENT The invention is more particularly described below in connection with the preferred embodiment which illustrates, without limitation, the principles of the invention. Whil... Read More
Inventors: Yao, Shang J.; Wolfson, Jr., Sidney K.;, Assignee: The Montefiore Hospital Association of Western PA (Pittsburgh, PA) |
Implantable blood oxygen sensor and method of use
The present invention provides a miniaturized implantable medical sensor that optically senses the oxygen content of a body fluid to which the sensor is exposed, such as blood. In its completed form, ... Read More
Inventors: Cohen, Donald M.; Barcel, James E.; Hooven, Michael D.;, Assignee: Siemens-Pacesetter, Inc. (Sylmar, CA) |
Medical electrode assembly
The present invention eliminates the aforesaid problems associated with prior medical electrodes by providing an electrode assembly which is relatively simple in its structure and method of manufactur... Read More
Inventors: Finch, Gary J.;, Assignee: Sentry Medical Products, Inc. (Santa Ana, CA) |
Electrochemical cncentration detector method
What is claimed is: 1. An amperometric assay method for measuring the concentration of a hydrogen peroxide-yielding substrate in an aqueous sample as a function of amperometric response to enzymatical... Read More
Inventors: Ross, Pepi; Madou, Marc J.; Reyes, Zoila; Jensen, Joel F.; Wing, Sharon W.; Rimer, Virginia G.;, Assignee: |
Implantable electrochemical sensor
What is claimed as new and desired to be protected by Letters Patent is set forth in the appended claims. 1. Implantable sensor for amperometric measurements in body liquids, such as blood or tissue l... Read More
Inventors: Zier, Horst D.; Kerner, Wolfgang; Pfeiffer, Ernst F.;, Assignee: Institute fur Diabetestechnologie Gemeinnutzige Forschungs- und (Ulm, DE) |
Biosensor
Accordingly, an essential object of the present invention is to provide a biosensor which is arranged to measure the density of an objective material with high accuracy on the basis of an electrical s... Read More
Inventors: Nagata, Yasuhiro;, Assignee: Daikin Industries, Ltd. (Osaka, JP) |
Vivo refillable glucose sensor
The present invention provides an improved arrangement for an implantable electrochemical sensor such as a glucose sensor of the type in which the enzyme material degrades due to reaction with compone... Read More
Inventors: Wilkins, Ebtisam S.;, Assignee: The University of New Mexico (Albuquerque, NM) |
Adjustable mountable doppler ultrasound transducer device
What I claim is: 1. An adjustable, mountable Doppler ultrasound transducer device, comprising: a ring segment for placement on a patient; and a transducer segment that is movably mounted on said ring ... Read More
Inventors: Whisler, G. Douglas;, Assignee: |
Multi-peak speech procession
What is claimed is: 1. A multi-channel cochlear prosthesis including a patient implantable tissue stimulating multi-channel electrode array adapted to be positioned in a cochlea from an apical region ... Read More
Inventors: Seligman, Peter M.; Dowell, Richard C.; Blamey, Peter J.;, Assignee: Cochlear Pty. Ltd. (Lane Cove, AU); The University of Melbourne (Parkville, AU) |
Integral interstitial fluid sensor
In the present invention, an integral interstitial fluid sensor is disclosed. The sensor is applied to the skin of a patient or animal, to detect the chemical components of the interstitial fluid. The... Read More
Inventors: Joseph, Jose P.;, Assignee: Teknekron Sensor Development Corporation (Menlo Park, CA) |
Method and apparatus for batch injection analysis
(DISCLOSURE OF THE INVENTION) The present invention comprises a method and apparatus for measuring analyte sample concentration. The apparatus of the invention comprises a vessel, electrolyte confined... Read More
Inventors: Wang, Joseph; Taha, Ziad H.;, Assignee: New Mexico State University Technology Transfer Corporation (Las Cruces, NM) |
Method for measuring glucose
OF THE INVENTION A novel sensing method has been developed to measure blood glucose intermittently. The method takes advantage of the fact that conventional enzyme-based (glucose oxidase) glucose sen... Read More
Inventors: Wong, David K.;, Assignee: VIA Medical Corporation (San Diego, CA) |
Method and sensor electrode system for the electrochemical determination of an analyte or an oxidoreductase as well as the use of suitable compounds therefor
The invention provides a method for the electrochemical determination of an analyte in the presence of an oxidoreductase and a reducible substance which transfers electrons which arise during the cour... Read More
Inventors: Hoenes, Joachim; Schaeffler, Jurgen;, Assignee: Boehringer Mannheim GmbH (Mannheim, DE) |
Semiconductor manufacture 
